Home / 1,357,529.66-1,873,187.88-776,660.54

Finding the Fourth Proportional to 1,357,529.66, 1,873,187.88 and 776,660.54

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Solution

The fourth proportional to 1,357,529.66, 1,873,187.88 and 776,660.54 is: 1,071,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,529.66 : 1,873,187.88 = 776,660.54 : x
  2. Step 2: Convert to fraction form
    1,357,529.66/1,873,187.88 = 776,660.54/x
  3. Step 3: Cross multiply
    1,357,529.66x = 1,873,187.88 × 776,660.54
  4. Step 4: Simplify right side
    1,357,529.66x = 1,454,831,110,402.26
  5. Step 5: Solve for x
    x = 1,454,831,110,402.26/1,357,529.66
  6. Step 6: Final answer
    x = 1,071,675.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.